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| Number | Title | Issue Date |
| 7743805 | Debarking tip assembly with replaceable cutting element Apparatuses, systems, and methods for debarking logs are shown and described. The disclosed embodiments can be used for quickly and conveniently replacing contact surfaces of swing arm assemblies. Some disclosed embodiments include a swing arm assembly having a deba... | 06/29/2010 |
| 7373960 | Brush cutter The invention provides a brush cutter and chipper that attaches to the end of an articulating arm or boom on equipment. The cutter may utilize existing hydraulic power and controls. The cutter includes a housing with external feed assembly that feeds material throug... | 05/20/2008 |
| 7350548 | Swing arm assembly with replaceable insert for use with a debarker apparatus Apparatuses, systems, and methods for debarking logs are shown and described. The disclosed embodiments can be used for quickly and conveniently replacing contact surfaces, such as leading edges, of swing arm assemblies. Some disclosed embodiments include a swing ar... | 04/01/2008 |
| 7275895 | Cutting insert A support movable in a predetermined direction carries a cutting insert having a body formed with a front face lying generally in a plane generally parallel to the direction and an arcuate edge face having an inner end merging with the front face, an outer end and d... | 10/02/2007 |
| 7270232 | Conveyor belt drive roller The current invention is a conveyor belt system and a conveyor belt drive roller and method of making in which the drive roller comprises a cylindrical body having a circumference and opposite ends, a plurality of lug grooves in the cylinder located around the circu... | 09/18/2007 |
| 7201545 | Tool, a cutting insert, a shim and use of the cutting insert The present invention relates to a tool, a cutting insert and a shim for cutting machining. The tool includes a holder for turning or milling, a shim and an indexable cutting insert. The shim has an upper side and the cutting insert has a lower side. The lower side ... | 04/10/2007 |
| 7140407 | Configurations and designs for stump grinding teeth and corresponding holding brackets A new design and configuration for tree stump cutting tooth and its corresponding holding bracket. Notch(s) on the tooth and rib(s) on the bracket are used to allow fast installation of tooth without gauging, reduced the time needed for such necessary tasks. The not... | 11/28/2006 |
| 6939091 | Cutting insert for camshaft milling cutters A cutting insert for milling cam shafts includes first and second surface interconnected by a third surface, and at least one cutting edge. The cutting edge includes a straight first cutting edge section, a straight second cutting edge section, and a generally conve... | 09/06/2005 |
| 6922992 | Hydraulic drive circuit with flow divider and bypass valve A hydraulic drive with a flow divider and a bypass wherein fluid can either be allowed to flow from a flow divider to hydraulic actuators in parallel or the fluid can be allowed to bypass the flow divider and flow directly to the hydraulic actuators in parallel.... | 08/02/2005 |
| 6834692 | Log debarking tip A tip for a rotary debarker has a polygonal main body with a front surface and a rear surface, and at least one cutting blade along each of the opposed edges. The main body includes a non-circular mounting boss extending from the rear surface. The main body is mount... | 12/28/2004 |
| 6457499 | Rotary ring debarker with debarker tools arranged in offset rotary debarking planes A rotary ring log debarker including one or more rotary rings each carrying one or more sets of equiangularly distributed log debarking arms and tools, in such a manner that the overall machine includes at least two axially offset (leading and trailing) s... | 10/01/2002 |
| 6260592 | Cutting piece and cutting arm for a debarking machine of a hollow-rotor type A replaceable cutting piece and a cutting arm for a debarking cutter for a debarking machine of a hollow-rotor type, which cutting piece (6) and cutting arm (4) comprise supporting surfaces and abutment surfaces for receiving loads acting on the cutting p... | 07/17/2001 |
| 6244312 | Processing means for barking machines The present invention relates to a processing means for barking machines of the type having a plurality of swinging arms, each being at an inner end pivotally mounted on a rotatable, annular rotator, while at an opposite outer free end, they carry such a ... | 06/12/2001 |
| 6167927 | Arrangement for mounting a cutting head assembly of a delimbing device on a support member A delimbing device includes a cutting head assembly having (i) a cutting blade configured to cut branches off of a tree and (ii) a bar saw configured to cut through the tree. The device also includes a first support member supporting the cutting head asse... | 01/02/2001 |
| 6135174 | Lathe cutter and chip fan A lathe cutter and chip fan is described in which an annular frame includes a rotary portion that is driven to rotate about an axis. The rotary portion is annular, forming a workpiece receiving opening. A cutter is mounted on the rotary portion and projec... | 10/24/2000 |
| 5896902 | Debarking knife and method of manufacturing it A debarking knife includes a plate having at least one sharp debarking edge delimited by a leading face and a trailing face. The leading face is reinforced by an anti-abrasion hard surface coating having better anti-abrasion qualities than the substrate f... | 04/27/1999 |
| 5893401 | Barking tool The invention concerns a barking tool for barking machines of the type having a plurality of swinging arms, each being at an inner end pivotally mounted on an annular rotator which is rotatable about an axis of rotation, and each having at a free outer en... | 04/13/1999 |
| 5722475 | Method and device for dressing logs An apparatus and method for machining the surface of logs, in which the log is longitudinally advanced through an opening provided in a rotor disc and the surface of the log is machined by rotatable cutting heads mounted on respective supporting arms pivo... | 03/03/1998 |
| 5704409 | Flexible mounting system for log debarking equipment A flexible mounting system principally developped for ring-type log debarkers comprises a combination of freely oscillating supporting links and weight compensating pneumatic devices, arranged in such a way as to allow the working tool assembly of the deb... | 01/06/1998 |
| 5653274 | Debarker arms and debarker tips for mounting on log barking machines A debarker arm for a debarking machine, comprised of a crescent shaped member, a debarker arm support, an outwardly forwardly extending flange, a debarker tip receptacle, and a debarker tip seated in said receptacle, the invention comprising said outwardl... | 08/05/1997 |
| 5515895 | Tree delimbling device with self-aligning cutter head assembly There is provided a tree delimbing cutter head assembly with improved self-aligning cutter head including a rectangular support frame, pivotally mounted cutting and limb stripping levers and guide means, frame support means that provide rotational and piv... | 05/14/1996 |
| 5472027 | Log bark slitting machine A bark slitting machine has swing mounted slitting arms on a rotating ring through which a log is fed. The arms have a swept back outer portion with a cutting edge and an attack angle having a size preferably like that of the lead angle of a helix determi... | 12/05/1995 |
| 5460212 | Debarking tool with controlled log exiting An arcuate debarking tool for ring rotor debarking machines used in timber processing. The tool comprises an elongated, arcuate body having an outer end that removably mounts a cutting element, and an inner arbored end adapted to be coupled through a mand... | 10/24/1995 |
| 5097880 | Rotary log debarker with improved air management system An air-seal, air-cell rotary-ring-type log debarker which is capable of operating in two different operating modes. In one operating mode, the air seal is nonpressurized, and debarking tools in the debarker are under the actuation control solely of pressu... | 03/24/1992 |
| 5070919 | Rotary cutters for ring debarkers Rotary cutters for ringer debarkers each have multiple cutter units secured together in coaxial staggered relation. Each cutter unit has gullets between gauge lands, and has knives in the gullets clamped against the leading side of the lands by wedging ke... | 12/10/1991 |
| 4944338 | Barking method, and an apparatus for utilization of the method A barking method, and an apparatus for utilization of the method, wherein a log (6) during a substantially linear feeding movement is brought to pass one or a number of barking devices (1; 4,4'), arranged to perform a surrounding rotary movement in relati... | 07/31/1990 |
| 4898221 | Method for limbing, barking and chipping, and a device for utilization of the method A method and a mobile unit for barking and/or limbing and chipping as a continuous operation. A log is given a linear displacement movement by means of a feed unit (6) including two in relation to each other displaceable feed rollers in direction towards ... | 02/06/1990 |
| 4872495 | Tool for rotation ring type barking machines A tool for rotation ring type barking machines comprises a swinging arm which is connected at one end via a screw connection with a holder on a shaft rotatably mounted in the rotor of the machine. The holder has two elongated grooves spaced apart by an in... | 10/10/1989 |
| 4865095 | Tool for rotation ring type barking machines A tool for rotation ring type barking machines comprises a curved swinging arm which is adapted to carry at a first, free end a cutting edge and which is detachably connected at its opposite end by means of a screw connection with a shaft rotatably mounte... | 09/12/1989 |
| 4852622 | Debarking means for rotation ring type barking machines The invention relates to a debarking means for rotation ring type barking machines, and of the type comprising a plurality of swinging arms (1) yieldably engaging the circumference of an unbarked log and each formed at its free end with a seat (4) for a d... | 08/01/1989 |
| 4844201 | Recirculating oil lubrication system for rotary ring log barkers Lubricating oil supplied to the annular antifriction bearing mounting a rotary ring log barker ring on ring-mounting means, and lubricating oil supplied to air seals for a rotary ring log barker annular air plenum chamber is returned to an annular oil-col... | 07/04/1989 |
| 4830072 | Air seal for rotary log debarker The debarking machine of the instant invention includes a frame having a stationary central hub, a ring rotatably mounted on the frame for rotation about the hub having air-pressure-actuated tools carried on the ring. Power means are provided for rotating... | 05/16/1989 |
| 4784196 | Method and apparatus for debarking logs A method and apparatus for debarking logs of the type having long-fibre bark. In a first debarking operation, rotary cutterheads remove a portion of the mark so as to leave a bark/no-bark, barber-pole pattern on a log's surface. In a second, downstream de... | 11/15/1988 |
| 4709737 | Debarking tool and arm combination A debarking device comprising a debarking arm with a debarking tool mounted to the end thereof. The debarking tool has a curved bearing surface and the debarking arm is provided with a curved recessed seat for receiving the debarking tool. The bearing sur... | 12/01/1987 |
| 4693287 | Bundle limber A delimbing device which includes a rotatably mounted drum (13) within which a number of processing devices are mounted for mechanically processing a bundle of stems with twigs in order to limb and preferably also feed said stems longitudinally through th... | 09/15/1987 |
| 4673012 | Tool tensioning device for debarking machine A debarking machine having a plurality of debarking tools spaced circumferentially around a rotor. The debarking tools are movable independently between radially inward positions and dilated positions. Movement of the debarking tools is caused by hydrauli... | 06/16/1987 |
| 4657056 | Log debarking tool assembly A cutting tool assembly for a log debarker. A cutting tool is provided having an elongated leading cutting edge and a key member. The key member fits into the load carrying slot portion of the head of the tool shaft, and the tool is then secured to the to... | 04/14/1987 |
| 4653559 | Forwardly-projecting debarking tool barker arm The scraping edge of a debarking tool carried by an arm of a rotary ring barker is located lengthwise so that at least the major portion of the length of such scraping edge is located ahead of the longitudinally central portion of the leading face of the ... | 03/31/1987 |
| 4653561 | Log debarking machine The disclosure herein describes improvements to a log debarking machine which consists in allowing the mounting of six debarking tools on the machine rotor which has a central log-passing opening of eighteen inches in diameter. The rotor is arranged with ... | 03/31/1987 |
| 4649706 | Hydraulic feed control system for log debarkers A hydraulic feed control system for log debarkers having three infeed and three outfeed rolls. Each roll is driven by its own hydraulic motor. Each infeed motor is connected in series with a corresponding outfeed motor whereby three pairs of motors are de... | 03/17/1987 |
